set_cards_due_date

A write tool on the Anki MCP server.

SERVERAnki SOURCE@arielbk/anki-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-arielbk-anki-mcp/set-cards-due-date.md

WHAT IT DOES

What set_cards_due_date does on Anki

AI agents use set_cards_due_date to create or update resources in Anki, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Anki environment.

RISK

Why set_cards_due_date is rated Medium

Setting due dates modifies card scheduling state in Anki reversibly—it changes when cards are next reviewed but does not delete data or execute arbitrary code. This is a Write operation (reversible modification). Severity is medium because incorrect due date changes could disrupt a user's study schedule, but the effect is correctable and doesn't cause data loss or financial impact.

From the tool's definition Tool name 'set_cards_due_date' indicates modification of card metadata (due dates); empty description limits full analysis but name clearly implies state change operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_cards_due_date safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Anki, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_cards_due_date, this is the rule to start with:

set_cards_due_date Rate-limited

set_cards_due_date stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_cards_due_date": {
      "limits": [
        {
          "counter": "set_cards_due_date_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Anki, apply this rule, and every set_cards_due_date call is checked against it from then on.

FAQ

Questions about set_cards_due_date

What does the set_cards_due_date tool do? +

set_cards_due_date is a write tool on the Anki MCP server. It is categorised as a Write tool in the Anki MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_cards_due_date? +

Register the Anki MCP server in PolicyLayer and add a rule for set_cards_due_date: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Anki. Nothing to install.

What risk level is set_cards_due_date? +

set_cards_due_date is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_cards_due_date? +

Yes. Add a rate_limit block to the set_cards_due_date rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block set_cards_due_date completely? +

Set action: deny in the PolicyLayer policy for set_cards_due_date. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides set_cards_due_date? +

set_cards_due_date is provided by the Anki MCP server (@arielbk/anki-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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